MESON Chess Problem Database

Problem Display
PID: 193400 (B7/1q2b3/Q7/n4K2/5PN1/6p1/6k1/5R2 w - - 0 1)

Clausen, TO

Magyar Sakkvilag, 1914

B7/1q2b3/Q7/n4K2/5PN1/6p1/6k1/5R2

#2

6 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Rh1!
      • threat
        • 2.Qf1#
      • 1...Qe4+
        • 2.Bxe4#
      • 1...Qd5+
        • 2.Bxd5#
      • 1...Kxh1
        • 2.Qf1#
      • 1...Kf3
        • 2.Qf1#
      • 1...Sc4
        • 2.Bxb7#
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(A);
    • Threat
      • QAB1(E)
    • Vars
      • Q(d);CHECK,OGATE::B(F),XQ(d)
      • K(a);S_FLIGHT,XR(A)::QAR2(E)
      • K(a);S_FLIGHT::QAR2(E)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).